Product Name: NdFeB magnets; Product size: diameter 5.2mm， inner diameter 2.7mm， 0.6mm thickness; Magnetization direction: N S pole at both ends of the plane; Operating temperature: up to 120 degrees Celsius; Note: Be careful to save the fragile dried at room temperature Dimensions: 0.20 in x 0.20 in x 0.02 in (0.5 cm x 0.5 cm x 0.1 cm) Weight: 1.27 oz (36 g)